From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Konrad Dybcio <konradybcio@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Taniya Das <quic_tdas@quicinc.com>,
cros-qcom-dts-watchers@chromium.org,
Kalyan Thota <quic_kalyant@quicinc.com>,
Douglas Anderson <dianders@chromium.org>,
Harigovindan P <harigovi@codeaurora.org>
Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Val Packett <val@packett.cool>
Subject: Re: [PATCH 3/3] arm64: dts: qcom: sc7180: Add missing MDSS core reset
Date: Tue, 20 Jan 2026 12:21:42 +0100 [thread overview]
Message-ID: <b27bd055-d6e1-4021-a2e6-95064b2a0ea3@oss.qualcomm.com> (raw)
In-Reply-To: <20260120-topic-7180_dispcc_bcr-v1-3-0b1b442156c3@oss.qualcomm.com>
On 1/20/26 12:19 PM, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
>
> To make sure the core starts in a predictable state, it's useful to
> first reset it.
>
> Wire up the reset to fulfill that missing part of the HW description.
>
> Reported-by: Val Packett <val@packett.cool>
> Fixes: a3db7ad1af49 ("arm64: dts: sc7180: add display dt nodes")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> ---
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 45b9864e3304..f7937fa88536 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -3221,6 +3221,8 @@ mdss: display-subsystem@ae00000 {
> <&dispcc DISP_CC_MDSS_MDP_CLK>;
> clock-names = "iface", "ahb", "core";
>
> + resets = <&dispcc DISPCC_MDSS_CORE_BCR>;
^ won't compile without a _ between 'DISP' and 'CC', should have
compile-tested harder..
Konrad
next prev parent reply other threads:[~2026-01-20 11:21 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-20 11:19 [PATCH 0/3] SC7180 " Konrad Dybcio
2026-01-20 11:19 ` [PATCH 1/3] dt-bindings: clock: qcom,dispcc-sc7180: Define MDSS resets Konrad Dybcio
2026-01-20 11:22 ` Krzysztof Kozlowski
2026-01-20 16:51 ` Taniya Das
2026-01-20 11:19 ` [PATCH 2/3] clk: qcom: dispcc-sc7180: Add missing " Konrad Dybcio
2026-01-20 16:53 ` Taniya Das
2026-01-20 22:02 ` Dmitry Baryshkov
2026-01-20 11:19 ` [PATCH 3/3] arm64: dts: qcom: sc7180: Add missing MDSS core reset Konrad Dybcio
2026-01-20 11:21 ` Konrad Dybcio [this message]
2026-01-20 22:03 ` Dmitry Baryshkov
2026-01-21 10:39 ` Konrad Dybcio
2026-01-20 11:43 ` [PATCH 0/3] SC7180 " Val Packett
2026-01-20 21:45 ` Rob Herring
2026-03-24 3:42 ` (subset) " Bjorn Andersson
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